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Full text of "Handbook Of Chemical Engineering - I"

INDEX
Pitchblende, Australian deposits, 862 European deposits, 861, 863 metallurgy of, 864 Plant design, 961
administrative control, 970 hazards, 976 insurance, 976 location, 961 power costs, 3, 4, 5 sanitation, 976 waste disposal at, 975 Plaster of Paris, cements with, 844 Plastic clays, 493, 501 Plastics, mixing, 563 Platinum, electrolytic production of, 744
thermometer, 462 Polarization, 738
Polar valences, calculation of, 693 Poles, tabulation in order of forces, 689 Polonium, properties of, 880
series, 859
Polysaccharides, inversion of, 590 Porcelain type clays, 504 Porosity of refractories, 483 Portland cement, definition, 941 lutes with, 843 specifications for, 943 ' Portland filter, 291
covering, 293
Potash recovery by Cottrell process, 320 Potassium bichromate, recovery of, 377 carbonate, recovery of, 377 chloride, recovery of, 377 electrolytic production of, 747 hydroxide, recovery of, 377 nitrate, recovery of, 377 oxidation-reduction behavior, 701 sulphate, recovery of, 377 Potential change with varying acidity, 697 Potentiometer    method     with    thermocouples,
426-430 Power, cost of gas, 66
economic distribution, 974 purchase of, 57 transmission, 74
Power-efficiency   curve,  centrifugal pumps, 116 Power plant, auxiliaries, 27 costs, 3, 4, 5 general discussion, 1 overhead, 4 size of, 3
Power required for gyratories, 198 for jaw crushers, 199 for rolls, 201 for tube mills, 210 Preheaters, in evaporation, 375 Press, brewery, 303 305 curb, 304 filter, 298 leaves for, 299
Pressure, critical, of gaaes, 667 in oil cracking, 640 osmotic, 735 partial (see "Partial pressures").
Pressure, vapor (see "Vapor pressures"). Processes, types of, 964 Producer gas, 59, 60
composition of, 61, 62 Projection, grading by, 227 Promoters, in catalysis, 753 Proof of alcohol, 986 Propeller fans, capacity of, 148 Protecting tubes for thermocouples, 440-442 Protective colloids, 773, 783, 791
gold figure, 782 Pulsometers, 120 Pulverizing, 213 Pumps, 109-142
auxiliary for steam plants, 27
capacity, 133
centrifugal, 114
compound, 110
deep well, 113
efficiencies, 135-138
high duty, 112
operating, 140
pistonless, 120
power, 112
setting up, 141
simple cylinder direct, 109
speeds for, 111
testing, 138
triple expansion, 120
vacuum, 30 Pure-culture apparatus, 594
operation of, 596 Purification of electrolytes, 746 Puzzolan cement, 942 Pyne, F. R., 812 Pyod, 422
Pyritic smelting, 827 Pyroligneous acid, evaporating, 381 Pyrornetry, 409-472
optical, 443-455
radiation, 443-462
recording, 466
thermoelectric, 419-440
thermometers, 409-416
windows in, 456 Pyrovolter, 427
Q
Quartz, inversion of, 506 R
Radiation, from evaporators, 368
pyrometry, 443-402 Radioactive series, actinium, 860 thorium, 860 uranium, 859
Radioactive substances, helium from, 916 Radioactivity, discovery of, 857
(see also "radium"). Radiolead, properties of, 881 Radium, 857
determination of, 879
XI